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Jens Karl Tenfjord

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Patents Grantslast 30 patents

  • Information Patent Grant

    Oscillating fluid-driven actuator
    • Patent number 3,995,536
    • Issue date Dec 7, 1976
    • Johan Tenfjord Mek. Verksted
    • Jens Karl Tenfjord
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT